Knowledge base for software setup, errors, and daily tool work.

Fix 504 Gateway Timeout After Windows Update

After installing a recent Windows update, you might see a 504 Gateway Timeout error when browsing...

How to Fix Windows Security High CPU Usage

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Terminal Access Denied Error Code 5

When you launch Windows Terminal and see Access Denied (Error Code 5)—typically ...

Checklist for Troubleshooting Outlook Startup Issues

Outlook fails to start, freezes on the loading screen, or crashes immediately. This checklist wal...

How to Fix BitLocker Pre-Boot Authentication Not Working

You enter your PIN or password at boot, but BitLocker skips the prompt and boots directly to Wind...